Tour of World Trade Center construction site, memorial

September 10, 2012 12:40 PM

A barge loaded with sections of spire for One World Trade Center, left, is guided by tugboat across New York Harbor, Tuesday, Dec. 11, 2012 in New York.

A barge loaded with sections of spire for One World Trade Center, left, is guided by tugboat across New York Harbor, Tuesday, Dec. 11, 2012 in New York.

Photo: Mark Lennihan, Associated Press

A barge loaded with sections of spire for One World Trade Center,... Photo-3876135.48773 - seattlepi.com

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A cruise ship passes the World Trade Center in New York and the Statue of Liberty, left, on Monday, Sept. 10, 2012 in this photo taken from Bayonne, N.J. The tallest tower is 1 World Trade Center, now up to 104 floors, and in the center is 4 World Trade Center, also under construction. The tallest tower, Freedom Tower, will be 1,776 feet tall, including its spire, a reference to the year of American independence. less

A cruise ship passes the World Trade Center in New York and the Statue of Liberty, left, on Monday, Sept. 10, 2012 in this photo taken from Bayonne, N.J. The tallest tower is 1 World Trade Center, now up to ... more

Photo: Mark Lennihan

A cruise ship passes the World Trade Center in New York and the... Photo-3438526.48773 - seattlepi.com

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Sections of the crowning spire for One World Trade Center arrive on a barge on the Hudson River on December 11, 2012 in New York City. The barge is carrying nine pieces of steel that will eventually top off One World Trade Center out at a symbolic 1,776 feet, becoming the tallest building in the Western Hemisphere. less

Sections of the crowning spire for One World Trade Center arrive on a barge on the Hudson River on December 11, 2012 in New York City. The barge is carrying nine pieces of steel that will eventually top off ... more

Photo: Mario Tama, Getty Images

Sections of the crowning spire for One World Trade Center arrive on... Photo-3876927.48773 - seattlepi.com

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Sections of the crowning spire for One World Trade Center arrive on a barge on the Hudson River on December 11, 2012 in New York City. The barge is carrying nine pieces of steel that will eventually top off One World Trade Center out at a symbolic 1,776 feet, becoming the tallest building in the Western Hemisphere. less

Sections of the crowning spire for One World Trade Center arrive on a barge on the Hudson River on December 11, 2012 in New York City. The barge is carrying nine pieces of steel that will eventually top off ... more

Photo: Mario Tama, Getty Images

Sections of the crowning spire for One World Trade Center arrive on... Photo-3876940.48773 - seattlepi.com

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Sections of the crowning spire for One World Trade Center arrive on a barge on the Hudson River on December 11, 2012 in New York City. The barge is carrying nine pieces of steel that will eventually top off One World Trade Center out at a symbolic 1,776 feet, becoming the tallest building in the Western Hemisphere. less

Sections of the crowning spire for One World Trade Center arrive on a barge on the Hudson River on December 11, 2012 in New York City. The barge is carrying nine pieces of steel that will eventually top off ... more

Photo: Mario Tama, Getty Images

Sections of the crowning spire for One World Trade Center arrive on... Photo-3876663.48773 - seattlepi.com

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A barge loaded with sections of spire for One World Trade Center, center, is guided by tugboat across New York Harbor, Tuesday, Dec. 11, 2012 in New York. The Statue of Liberty is at left, and the Empire State Building is second left. less

A barge loaded with sections of spire for One World Trade Center, center, is guided by tugboat across New York Harbor, Tuesday, Dec. 11, 2012 in New York. The Statue of Liberty is at left, and the Empire State ... more

Photo: Mark Lennihan, Associated Press

A barge loaded with sections of spire for One World Trade Center,... Photo-3876600.48773 - seattlepi.com

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Parts of the spire for the Freedom Tower make their way on a barge from Port Newark to lower Manhattan where they will be unloaded and installed on top of the Freedom Tower starting tomorrow on December 11, 2012 in New York City. The barge is carrying nine pieces of steel that will eventually top off One World Trade Center at a symbolic 1,776 feet, becoming the tallest building in the Western Hemisphere. less

Parts of the spire for the Freedom Tower make their way on a barge from Port Newark to lower Manhattan where they will be unloaded and installed on top of the Freedom Tower starting tomorrow on December 11, ... more

Photo: Pool, Getty Images

Parts of the spire for the Freedom Tower make their way on a barge... Photo-3877021.48773 - seattlepi.com

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A barge loaded with sections of spire for One World Trade Center, left, is guided by tugboat across New York Harbor from New Jersey's Port Newark, Tuesday, Dec. 11, 2012 in New York. The nine pieces each weigh 70 tons. The spire is expected to rise into the Manhattan sky by spring. less

A barge loaded with sections of spire for One World Trade Center, left, is guided by tugboat across New York Harbor from New Jersey's Port Newark, Tuesday, Dec. 11, 2012 in New York. The nine pieces each weigh ... more

Photo: Mark Lennihan, Associated Press

A barge loaded with sections of spire for One World Trade Center,... Photo-3876134.48773 - seattlepi.com

Image 9 of 56

Sections of the crowning spire for One World Trade Center arrive on a barge on the Hudson River on December 11, 2012 in New York City. The barge is carrying nine pieces of steel that will eventually top off One World Trade Center out at a symbolic 1,776 feet, becoming the tallest building in the Western Hemisphere. less

Sections of the crowning spire for One World Trade Center arrive on a barge on the Hudson River on December 11, 2012 in New York City. The barge is carrying nine pieces of steel that will eventually top off ... more

Photo: Mario Tama, Getty Images

Sections of the crowning spire for One World Trade Center arrive on... Photo-3876730.48773 - seattlepi.com

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The tower known as 1 World Trade Center, left, the National September 11 Memorial, bottom left, and 4 World Trade Center, right, are bathed in light, Tuesday, Sept. 11, 2012 in New York. Tuesday is the eleventh anniversary of the terrorist attacks of Sept. 11, 2001. The tallest tower, Freedom Tower, will be 1,776 feet tall, including its spire, a reference to the year of American independence. less

The tower known as 1 World Trade Center, left, the National September 11 Memorial, bottom left, and 4 World Trade Center, right, are bathed in light, Tuesday, Sept. 11, 2012 in New York. Tuesday is the eleventh ... more

Photo: Mark Lennihan

The tower known as 1 World Trade Center, left, the National... Photo-3438525.48773 - seattlepi.com

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Visitors to the National September 11 Memorial walk below the rising towers 1 World Trade Center, left, and 4 World Trade Center, Monday, Sept. 10, 2012 in New York.

Visitors to the National September 11 Memorial walk below the rising towers 1 World Trade Center, left, and 4 World Trade Center, Monday, Sept. 10, 2012 in New York.

Photo: Mark Lennihan

Visitors to the National September 11 Memorial walk below the... Photo-3438533.48773 - seattlepi.com

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A United States flag hangs from a crane on the side of the construction site of One World Trade Center.

A United States flag hangs from a crane on the side of the construction site of One World Trade Center.

Photo: Julio Cortez

A United States flag hangs from a crane on the side of the... Photo-3438529.48773 - seattlepi.com

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Steve Plate, left, Director of Construction for the World Trade Center, holds a folder of architectural images as he tours the transportation hub with Patrick Foye, right, Executive Director of the Port Authority of New York and New Jersey, in New York. When it opens in 2015, the station will serve 250,000 travelers a day. less

Steve Plate, left, Director of Construction for the World Trade Center, holds a folder of architectural images as he tours the transportation hub with Patrick Foye, right, Executive Director of the Port ... more

Photo: Mark Lennihan

Steve Plate, left, Director of Construction for the World Trade... Photo-3435120.48773 - seattlepi.com

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An ironworker watches as a crane lifts a load of construction supplies at the World Trade Center transportation hub, in New York. The new transportation hub at the trade center will connect 13 subway lines and PATH trains to New Jersey when it opens in 2015. less

An ironworker watches as a crane lifts a load of construction supplies at the World Trade Center transportation hub, in New York. The new transportation hub at the trade center will connect 13 subway lines and ... more

Photo: Mark Lennihan

An ironworker watches as a crane lifts a load of construction... Photo-3435137.48773 - seattlepi.com

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One World Trade Center, now up to 105 floors, rises above the National September 11 Memorial and Museum in New York. Eleven years after terrorists attacked the World Trade Center, the new World Trade Center now dominates the lower Manhattan skyline. less

One World Trade Center, now up to 105 floors, rises above the National September 11 Memorial and Museum in New York. Eleven years after terrorists attacked the World Trade Center, the new World Trade Center now ... more

Photo: Mark Lennihan

One World Trade Center, now up to 105 floors, rises above the... Photo-3435173.48773 - seattlepi.com

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One World Trade Center is viewed from the 72nd floor of Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

One World Trade Center is viewed from the 72nd floor of Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

One World Trade Center is viewed from the 72nd floor of Four World... Photo-3435125.48773 - seattlepi.com

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Workers are reflected on a piece of metal on the 74th floor of Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year.. less

Workers are reflected on a piece of metal on the 74th floor of Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September ... more

Photo: Spencer Platt

Workers are reflected on a piece of metal on the 74th floor of Four... Photo-3435123.48773 - seattlepi.com

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The construction of One World Trade Center, now up to 104 floors, is seen Tuesday, Sept. 11, 2012, across the Hudson River as a runner glides his hand at Liberty State Park in Jersey City, N.J., along the wall of 'Empty Sky,' New Jersey's memorial to the 749 people from the state lost during the Sept. 11 terrorist attacks on the World Trade Center. Americans paused again Tuesday to mark the 11th anniversary of the Sept. 11, 2001, terror attacks with familiar ceremonies, but also a sense that it's time to move forward after a decade of remembrance. less

The construction of One World Trade Center, now up to 104 floors, is seen Tuesday, Sept. 11, 2012, across the Hudson River as a runner glides his hand at Liberty State Park in Jersey City, N.J., along the wall ... more

Photo: Mel Evans

The construction of One World Trade Center, now up to 104 floors,... Photo-3438527.48773 - seattlepi.com

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An ironworker reaches for a beam suspended from a crane at One World Trade Center, in New York. Eleven years after terrorists attacked the World Trade Center, the new World Trade Center now dominates the lower Manhattan skyline. less

An ironworker reaches for a beam suspended from a crane at One World Trade Center, in New York. Eleven years after terrorists attacked the World Trade Center, the new World Trade Center now dominates the lower ... more

Photo: Mark Lennihan

An ironworker reaches for a beam suspended from a crane at One... Photo-3435121.48773 - seattlepi.com

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Construction workers are viewed from the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Construction workers are viewed from the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

Construction workers are viewed from the 72nd floor at Four World... Photo-3435132.48773 - seattlepi.com

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Pedestrians are viewed from the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Pedestrians are viewed from the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist ... more

Photo: Spencer Platt

Pedestrians are viewed from the 72nd floor at Four World Trade... Photo-3435131.48773 - seattlepi.com

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One World Trade Center is viewed from the 72nd floor of Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

One World Trade Center is viewed from the 72nd floor of Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

One World Trade Center is viewed from the 72nd floor of Four World... Photo-3435124.48773 - seattlepi.com

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Construction workers work on One World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Construction workers work on One World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work ... more

Photo: Spencer Platt

Construction workers work on One World Trade Center on September 7,... Photo-3435149.48773 - seattlepi.com

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The reflective pool at The National September 11 Memorial Museum is viewed on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

The reflective pool at The National September 11 Memorial Museum is viewed on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

The reflective pool at The National September 11 Memorial Museum is... Photo-3435126.48773 - seattlepi.com

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One World Trade Center rises above the lower Manhattan skyline and the National September 11 Memorial and Museum, in New York. Eleven years after terrorists attacked the World Trade Center, the new World Trade Center now dominates the lower Manhattan skyline. less

One World Trade Center rises above the lower Manhattan skyline and the National September 11 Memorial and Museum, in New York. Eleven years after terrorists attacked the World Trade Center, the new World Trade ... more

Construction workers rides an elevator down from the top floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Construction workers rides an elevator down from the top floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the ... more

Photo: Spencer Platt

Construction workers rides an elevator down from the top floor at... Photo-3435127.48773 - seattlepi.com

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Construction workers work on the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Construction workers work on the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

Construction workers work on the 72nd floor at Four World Trade... Photo-3435128.48773 - seattlepi.com

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Construction workers are viewed from the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Construction workers are viewed from the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

Construction workers are viewed from the 72nd floor at Four World... Photo-3435130.48773 - seattlepi.com

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Construction worker Lenny Torres rides an elevator down from the top floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Construction worker Lenny Torres rides an elevator down from the top floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of ... more

People are viewed walking at the National September 11 Memorial Museum on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

People are viewed walking at the National September 11 Memorial Museum on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

People are viewed walking at the National September 11 Memorial... Photo-3435139.48773 - seattlepi.com

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Writing is viewed on a beam on the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Writing is viewed on a beam on the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

Writing is viewed on a beam on the 72nd floor at Four World Trade... Photo-3435141.48773 - seattlepi.com

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Construction workers are viewed from the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Construction workers are viewed from the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

Construction workers are viewed from the 72nd floor at Four World... Photo-3435144.48773 - seattlepi.com

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Construction workers work on the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Construction workers work on the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

Construction workers work on the 72nd floor at Four World Trade... Photo-3435146.48773 - seattlepi.com

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The reflective pool at The National September 11 Memorial Museum is viewed on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

The reflective pool at The National September 11 Memorial Museum is viewed on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

The reflective pool at The National September 11 Memorial Museum is... Photo-3435152.48773 - seattlepi.com

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One World Trade Center is viewed from the 72nd floor of Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

One World Trade Center is viewed from the 72nd floor of Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

One World Trade Center is viewed from the 72nd floor of Four World... Photo-3435155.48773 - seattlepi.com

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Part of Manhattan is viewed from the 72nd floor of Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Part of Manhattan is viewed from the 72nd floor of Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

Part of Manhattan is viewed from the 72nd floor of Four World Trade... Photo-3435156.48773 - seattlepi.com

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A construction worker is viewed from the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

A construction worker is viewed from the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

A construction worker is viewed from the 72nd floor at Four World... Photo-3435157.48773 - seattlepi.com

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Billy Geoghan, center, follows fellow ironworker James Brady up a ladder to the 104th floor of One World Trade Center in New York. One World Trade Center, formerly known as the Freedom Tower, will open in 2014 on the northwest corner of the trade center site with 3 million square feet of office space. less

Billy Geoghan, center, follows fellow ironworker James Brady up a ladder to the 104th floor of One World Trade Center in New York. One World Trade Center, formerly known as the Freedom Tower, will open in 2014 ... more

Construction continues beneath the arched columns of the East-West Corridor at the World Trade Center site, in New York. The subterranean corridor will connect several buildings with the transportation hub.

Construction continues beneath the arched columns of the East-West Corridor at the World Trade Center site, in New York. The subterranean corridor will connect several buildings with the transportation hub.

Construction cranes work over the World Trade Center transportation hub in New York. The new transportation hub at the trade center will connect 13 subway lines and PATH trains to New Jersey when it opens in 2015. less

Construction cranes work over the World Trade Center transportation hub in New York. The new transportation hub at the trade center will connect 13 subway lines and PATH trains to New Jersey when it opens in ... more

Photo: Mark Lennihan

Construction cranes work over the World Trade Center transportation... Photo-3435160.48773 - seattlepi.com

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One World Trade Center is viewed from the 72nd floor of Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

One World Trade Center is viewed from the 72nd floor of Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

One World Trade Center is viewed from the 72nd floor of Four World... Photo-3435161.48773 - seattlepi.com

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People are viewed walking at the National September 11 Memorial Museum on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

People are viewed walking at the National September 11 Memorial Museum on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

People are viewed walking at the National September 11 Memorial... Photo-3435165.48773 - seattlepi.com

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Construction workers ride an elevator down from the top floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Construction workers ride an elevator down from the top floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the ... more

Photo: Spencer Platt

Construction workers ride an elevator down from the top floor at... Photo-3435166.48773 - seattlepi.com

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Ironworkers connect steel beams above the 93rd floor of One World Trade Center in New York. One World Trade Center, formerly known as the Freedom Tower, will open in 2014 on the northwest corner of the trade center site with 3 million square feet of office space. less

Ironworkers connect steel beams above the 93rd floor of One World Trade Center in New York. One World Trade Center, formerly known as the Freedom Tower, will open in 2014 on the northwest corner of the trade ... more

One World Trade Center, left, and nearby buildings are reflected in the glass facade of the National September 11 Museum in New York. One World Trade Center, formerly known as the Freedom Tower, will open in 2014 on the northwest corner of the trade center site with 3 million square feet of office space. less

One World Trade Center, left, and nearby buildings are reflected in the glass facade of the National September 11 Museum in New York. One World Trade Center, formerly known as the Freedom Tower, will open in ... more

Construction workers work on the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Construction workers work on the 72nd floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

Construction workers work on the 72nd floor at Four World Trade... Photo-3435169.48773 - seattlepi.com

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Part of Manhattan is viewed from the 72nd floor of Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Part of Manhattan is viewed from the 72nd floor of Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 ... more

Photo: Spencer Platt

Part of Manhattan is viewed from the 72nd floor of Four World Trade... Photo-3435170.48773 - seattlepi.com

Image 48 of 56

Construction workers exit a elevator down from the top floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September 11, 2001 terrorist attacks, work proceeds at the former site of the World Trade Center Towers. The 16-acre site, which is owned by the Port Authority of New York and New Jersey and is being rebuilt with developer Larry Silverstein, has a projected price tag of $14.8 billion. Of the four office towers planned for the site, two have had finishing beams placed on their top floors and the above-ground memorial was completed in time for the 10th anniversary last year. less

Construction workers exit a elevator down from the top floor at Four World Trade Center on September 7, 2012 in New York City. As New York City and the country prepare for the 11th anniversary of the September ... more

Photo: Spencer Platt

Construction workers exit a elevator down from the top floor at... Photo-3435171.48773 - seattlepi.com

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An ironworker watches as a crane begins to lift a load of construction supplies at the World Trade Center transportation hub, Friday, Sept. 7, 2012, in New York. The new transportation hub at the trade center will connect 13 subway lines and PATH trains to New Jersey when it opens in 2015. less

An ironworker watches as a crane begins to lift a load of construction supplies at the World Trade Center transportation hub, Friday, Sept. 7, 2012, in New York. The new transportation hub at the trade center ... more

Photo: Mark Lennihan

An ironworker watches as a crane begins to lift a load of... Photo-3435172.48773 - seattlepi.com

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Friends and relatives of the victims of the Sept. 11 terrorist attacks on the World Trade Center attend a ceremony marking the 11th anniversary of the attacks at the National September 11 Memorial at the World Trade Center site in New York, Tuesday, Sept. 11, 2012. less

Friends and relatives of the victims of the Sept. 11 terrorist attacks on the World Trade Center attend a ceremony marking the 11th anniversary of the attacks at the National September 11 Memorial at the World ... more

Photo: Mark Lennihan

Friends and relatives of the victims of the Sept. 11 terrorist... Photo-3438531.48773 - seattlepi.com

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People walk near the construction site of One World Trade Center during the 11th anniversary of the Sept. 11 terrorist attacks, Tuesday, Sept. 11, 2012, in New York. As in past years, thousands were expected to gather at the World Trade Center site in New York, the Pentagon and Shanksville, Pennsylvania, to read the names of nearly 3,000 victims killed in the worst terror attack in U.S. history. less

People walk near the construction site of One World Trade Center during the 11th anniversary of the Sept. 11 terrorist attacks, Tuesday, Sept. 11, 2012, in New York. As in past years, thousands were expected to ... more

Photo: Julio Cortez

People walk near the construction site of One World Trade Center... Photo-3438532.48773 - seattlepi.com

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Scott Willens, who joined the United States Army three days after the attacks on Sept. 11, 2001, pauses by the South Pool of the World Trade Center Memorial during the 11th anniversary observance,Tuesday Sept. 11, 2012 in New York. (AP Photo/Justin Lane, Pool, EPA less

Scott Willens, who joined the United States Army three days after the attacks on Sept. 11, 2001, pauses by the South Pool of the World Trade Center Memorial during the 11th anniversary observance,Tuesday Sept. ... more

Photo: Justin Lane

Scott Willens, who joined the United States Army three days after... Photo-3438534.48773 - seattlepi.com

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Friends and families of victims of the Sept. 11, 2001, terror attacks, look over a reflecting pool during a ceremony at the National September 11 Memorial, Tuesday, Sept. 11, 2012 in New York. As in past years, thousands are expected to gather at the World Trade Center site in New York, the Pentagon and Shanksville, Pennsylvania, to read the names of nearly 3,000 victims killed in the worst terror attack in U.S. history. less

Friends and families of victims of the Sept. 11, 2001, terror attacks, look over a reflecting pool during a ceremony at the National September 11 Memorial, Tuesday, Sept. 11, 2012 in New York. As in past years, ... more

The tower known as 1 World Trade Center and the National September 11 Memorial, bottom, are bathed in light, Tuesday, Sept. 11, 2012 in New York. Tuesday is the eleventh anniversary of the terrorist attacks of Sept. 11, 2001. less

The tower known as 1 World Trade Center and the National September 11 Memorial, bottom, are bathed in light, Tuesday, Sept. 11, 2012 in New York. Tuesday is the eleventh anniversary of the terrorist attacks of ... more

Photo: Mark Lennihan

The tower known as 1 World Trade Center and the National September... Photo-3438536.48773 - seattlepi.com

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The Tribute in Light shines above the World Trade Center in New York and the Statue of Liberty, left, Monday, Sept. 10, 2012 in this photo taken from Bayonne, N.J. Tuesday will mark the eleventh anniversary of the terrorist attacks of Sept. 11, 2001. The tallest tower is 1 World Trade Center, now up to 105 floors. In the center is 4 World Trade Center. less

The Tribute in Light shines above the World Trade Center in New York and the Statue of Liberty, left, Monday, Sept. 10, 2012 in this photo taken from Bayonne, N.J. Tuesday will mark the eleventh anniversary of ... more

Photo: Mark Lennihan

The Tribute in Light shines above the World Trade Center in New... Photo-3438537.48773 - seattlepi.com